/* ========================================
   Tokyo Financial Accounting Corporation
   Main Stylesheet
   ======================================== */

/* CSS Variables */
:root {
    /* Colors */
    --color-primary: #1a365d;
    --color-primary-light: #2c5282;
    --color-primary-dark: #0d1f3c;
    --color-accent: #3182ce;
    --color-secondary: #4a5568;
    --color-text: #1a202c;
    --color-text-light: #718096;
    --color-background: #ffffff;
    --color-background-alt: #f7fafc;
    --color-border: #e2e8f0;
    --color-success: #38a169;
    --color-error: #e53e3e;
    
    /* Typography */
    --font-family: 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', 'Yu Gothic', 'Meiryo', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
    
    /* Container */
    --container-max: 1200px;
    --container-padding: 1rem;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-background);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary);
}

ul, ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

/* Container */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    color: var(--color-primary);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
    margin-bottom: var(--spacing-md);
}

/* ========================================
   Header
   ======================================== */
.header {
    background-color: var(--color-background);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--container-padding);
    max-width: var(--container-max);
    margin: 0 auto;
}

.logo {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-main {
    font-size: var(--font-size-lg);
    line-height: 1.2;
}

.logo-sub {
    font-size: var(--font-size-xs);
    color: var(--color-text-light);
    font-weight: 400;
}

/* Navigation */
.nav {
    display: none;
}

.nav-list {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-link {
    color: var(--color-text);
    font-weight: 500;
    padding: var(--spacing-sm) 0;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width var(--transition-base);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-link:hover {
    color: var(--color-accent);
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: var(--spacing-sm);
}

.mobile-menu-btn span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--color-primary);
    transition: var(--transition-base);
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Mobile Navigation */
.mobile-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-background);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-md);
}

.mobile-nav.active {
    display: block;
}

.mobile-nav-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.mobile-nav-link {
    display: block;
    padding: var(--spacing-md);
    color: var(--color-text);
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast);
}

.mobile-nav-link:hover {
    background-color: var(--color-background-alt);
    color: var(--color-accent);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-background);
    padding: var(--spacing-3xl) 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../assets/tokyo.jpg') center/cover no-repeat;
    opacity: 0.15;
}

.hero-container {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    align-items: center;
    text-align: center;
}

.hero-content {
    max-width: 800px;
}

.hero-title {
    color: var(--color-background);
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-md);
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    opacity: 0.9;
    margin-bottom: var(--spacing-lg);
}

.hero-description {
    font-size: var(--font-size-base);
    opacity: 0.85;
    margin-bottom: var(--spacing-xl);
}

.hero-cta {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    text-align: center;
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-background);
}

.btn-primary:hover {
    background-color: var(--color-primary-light);
    color: var(--color-background);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-background);
    border: 2px solid var(--color-background);
}

.btn-secondary:hover {
    background-color: var(--color-background);
    color: var(--color-primary);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-accent);
    border: 2px solid var(--color-accent);
}

.btn-outline:hover {
    background-color: var(--color-accent);
    color: var(--color-background);
}

/* ========================================
   Sections
   ======================================== */
.section {
    padding: var(--spacing-3xl) 0;
}

.section-alt {
    background-color: var(--color-background-alt);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* ========================================
   Services Grid
   ======================================== */
.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
}

.service-card {
    background-color: var(--color-background);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.service-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.service-content {
    padding: var(--spacing-lg);
}

.service-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
}

.service-description {
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
}

/* ========================================
   Features
   ======================================== */
.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
}

.feature-item {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.feature-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background-color: var(--color-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-background);
    font-size: var(--font-size-xl);
}

.feature-content h4 {
    margin-bottom: var(--spacing-xs);
}

.feature-content p {
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    margin-bottom: 0;
}

/* ========================================
   Forms
   ======================================== */
.form-container {
    background-color: var(--color-background);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    max-width: 600px;
    margin: 0 auto;
}

.form-title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(49, 130, 206, 0.2);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.form-checkbox input[type="checkbox"] {
    margin-top: 4px;
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.form-checkbox-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    line-height: 1.5;
}

.form-checkbox-label a {
    color: var(--color-accent);
    text-decoration: underline;
}

.form-submit {
    width: 100%;
    margin-top: var(--spacing-md);
}

.form-note {
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-top: var(--spacing-md);
}

/* Form Success/Error Messages */
.form-message {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.form-message-success {
    background-color: #c6f6d5;
    color: #22543d;
}

.form-message-error {
    background-color: #fed7d7;
    color: #742a2a;
}

/* ========================================
   Contact Page
   ======================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact-item {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.contact-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    background-color: var(--color-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-background);
}

.contact-details h4 {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-xs);
}

.contact-details p,
.contact-details a {
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    margin-bottom: 0;
}

.contact-map {
    width: 100%;
    height: 300px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-top: var(--spacing-lg);
}

.contact-map iframe {
    width: 100%;
    height: 100%;
    border: 0;
}

/* Business Hours */
.business-hours {
    background-color: var(--color-background-alt);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-lg);
}

.business-hours h4 {
    margin-bottom: var(--spacing-md);
}

.hours-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.hours-item {
    display: flex;
    justify-content: space-between;
    font-size: var(--font-size-sm);
}

.hours-day {
    font-weight: 500;
}

.hours-time {
    color: var(--color-text-light);
}

/* ========================================
   About Page
   ======================================== */
.about-hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-background);
    padding: var(--spacing-3xl) 0;
    text-align: center;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
}

.about-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-text h3 {
    margin-bottom: var(--spacing-md);
}

.about-text p {
    color: var(--color-text-light);
}

.values-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.value-card {
    background-color: var(--color-background);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    border-left: 4px solid var(--color-accent);
}

.value-card h4 {
    margin-bottom: var(--spacing-sm);
}

.value-card p {
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    margin-bottom: 0;
}

/* ========================================
   Services Page
   ======================================== */
.service-detail {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    padding: var(--spacing-2xl) 0;
    border-bottom: 1px solid var(--color-border);
}

.service-detail:last-child {
    border-bottom: none;
}

.service-detail-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.service-detail-content h3 {
    margin-bottom: var(--spacing-md);
}

.service-detail-content p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

.service-detail-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.service-detail-list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
}

.service-detail-list li::before {
    content: '✓';
    color: var(--color-success);
    font-weight: bold;
}

/* ========================================
   Legal Pages (Privacy, Terms, etc.)
   ======================================== */
.legal-content {
    max-width: 800px;
    margin: 0 auto;
}

.legal-content h1 {
    margin-bottom: var(--spacing-xl);
}

.legal-content h2 {
    font-size: var(--font-size-xl);
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-md);
}

.legal-content h3 {
    font-size: var(--font-size-lg);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.legal-content p {
    color: var(--color-text-light);
}

.legal-content ul,
.legal-content ol {
    margin-left: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.legal-content ul {
    list-style: disc;
}

.legal-content ol {
    list-style: decimal;
}

.legal-content li {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
}

.legal-content a {
    color: var(--color-accent);
}

.last-updated {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
}

/* ========================================
   Cookie Banner
   ======================================== */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--color-primary-dark);
    color: var(--color-background);
    padding: var(--spacing-lg);
    z-index: 9999;
    transform: translateY(100%);
    transition: transform var(--transition-base);
}

.cookie-banner.active {
    transform: translateY(0);
}

.cookie-banner-content {
    max-width: var(--container-max);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.cookie-banner-text h3 {
    color: var(--color-background);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
}

.cookie-banner-text p {
    font-size: var(--font-size-sm);
    opacity: 0.9;
    margin-bottom: 0;
}

.cookie-banner-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.cookie-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.cookie-btn-accept {
    background-color: var(--color-success);
    color: var(--color-background);
}

.cookie-btn-accept:hover {
    background-color: #2f855a;
}

.cookie-btn-settings {
    background-color: transparent;
    color: var(--color-background);
    border: 1px solid var(--color-background);
}

.cookie-btn-settings:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.cookie-btn-reject {
    background-color: transparent;
    color: var(--color-background);
    opacity: 0.8;
}

.cookie-btn-reject:hover {
    opacity: 1;
}

/* Cookie Settings Modal */
.cookie-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 10000;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

.cookie-modal.active {
    display: flex;
}

.cookie-modal-content {
    background-color: var(--color-background);
    border-radius: var(--radius-lg);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
}

.cookie-modal-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.cookie-modal-header h3 {
    margin-bottom: 0;
}

.cookie-modal-body {
    padding: var(--spacing-lg);
}

.cookie-option {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--color-border);
}

.cookie-option:last-child {
    border-bottom: none;
}

.cookie-option-info h4 {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-xs);
}

.cookie-option-info p {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-bottom: 0;
}

.cookie-toggle {
    position: relative;
    width: 50px;
    height: 26px;
}

.cookie-toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.cookie-toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-border);
    border-radius: var(--radius-full);
    transition: var(--transition-fast);
}

.cookie-toggle-slider::before {
    position: absolute;
    content: '';
    height: 20px;
    width: 20px;
    left: 3px;
    bottom: 3px;
    background-color: var(--color-background);
    border-radius: 50%;
    transition: var(--transition-fast);
}

.cookie-toggle input:checked + .cookie-toggle-slider {
    background-color: var(--color-success);
}

.cookie-toggle input:checked + .cookie-toggle-slider::before {
    transform: translateX(24px);
}

.cookie-toggle input:disabled + .cookie-toggle-slider {
    opacity: 0.5;
    cursor: not-allowed;
}

.cookie-modal-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background-color: var(--color-primary-dark);
    color: var(--color-background);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
    margin-top: auto;
}

.footer-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
}

.footer-section h4 {
    color: var(--color-background);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-link {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: var(--color-background);
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-contact-item {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.8);
}

.footer-contact-item a {
    color: rgba(255, 255, 255, 0.8);
}

.footer-contact-item a:hover {
    color: var(--color-background);
}

.footer-disclaimer {
    background-color: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.7);
    margin-top: var(--spacing-lg);
}

.footer-bottom {
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    text-align: center;
}

.footer-copyright {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.7);
}

/* ========================================
   Utility Classes
   ======================================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.hidden { display: none !important; }
.visible { display: block !important; }

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Skip Link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-accent);
    color: var(--color-background);
    padding: var(--spacing-sm) var(--spacing-md);
    z-index: 10001;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 0;
}

/* ========================================
   Responsive Design
   ======================================== */

/* Tablet (768px+) */
@media (min-width: 768px) {
    :root {
        --container-padding: 2rem;
    }
    
    .nav {
        display: block;
    }
    
    .mobile-menu-btn {
        display: none;
    }
    
    .hero-container {
        flex-direction: row;
        text-align: left;
    }
    
    .hero-title {
        font-size: var(--font-size-4xl);
    }
    
    .hero-cta {
        flex-direction: row;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-content {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .values-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .service-detail {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .service-detail:nth-child(even) {
        direction: rtl;
    }
    
    .service-detail:nth-child(even) > * {
        direction: ltr;
    }
    
    .footer-container {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cookie-banner-content {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
}

/* Desktop (1024px+) */
@media (min-width: 1024px) {
    h1 { font-size: var(--font-size-5xl); }
    h2 { font-size: var(--font-size-4xl); }
    
    .hero {
        padding: var(--spacing-3xl) 0 calc(var(--spacing-3xl) * 1.5);
    }
    
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .values-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .footer-container {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Large Desktop (1440px+) */
@media (min-width: 1440px) {
    :root {
        --container-max: 1400px;
    }
}

/* Print Styles */
@media print {
    .header,
    .footer,
    .cookie-banner,
    .cookie-modal,
    .btn,
    .form-container {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.5;
        color: #000;
        background: #fff;
    }
    
    a {
        color: #000;
        text-decoration: underline;
    }
    
    h1, h2, h3, h4, h5, h6 {
        page-break-after: avoid;
        color: #000;
    }
    
    img {
        max-width: 100% !important;
    }
    
    p {
        orphans: 3;
        widows: 3;
    }
}